「By the way, Arg」
「Yes?」
「In the world you lived in, is there anything you’d want to spread to this one?」
「Hmm～」
Things I’d want to spread, huh.
If anything, Noie’s underwear situation was tough on the eyes, but last night I kinda got over a lot of that.
Plus, I don’t even know how to make a bra.
「Something like 『this would be convenient』 or knowledge you want to share」
He flashed a nasty grin.
「Or 『with this weapon we’d win wars』」
Nope, instant red flag～.
「Even if I knew something like that, I wouldn’t teach it」
「Oh? Why not?」
「Isn’t it obvious? If we make and use it here, the other side will want the tech and make something similar. Then we just wipe each other out. Besides, if I’m making anything, it’ll be something to help Noie slay dragons more safely」
「…You’re surprisingly devoted to the girl you fell for, huh」
Saying that with a straight face!
Super embarrassing, so I threw a right straight, only to eat a left straight counter.
Ouch. Can’t land a single hit.
「Stop, stop. I’m strong, you know」
He laughed while flexing his arm lightly. Those muscles are insane. Five concubines… wait?
「Question」
「What?」
「…With those five concubines, do you handle them all at once?」
His sleazy laugh was pretty much the answer.
「Obviously? My heart is big enough to knock out five waists at once like it’s nothing」
「……」
「I knock them out after dinner too, by the way」
「It wasn’t a metaphor, it was literal!」
Ugh, no more. This perverted father-son duo.
His smirking face returned to normal.
「Fine. So, you’re not planning to spread knowledge from your old world?」
「Hmm～ Tools or stuff I’ve used, I think I could recreate if I tried, but knowledge is mostly half-remembered. Making weird stuff with fuzzy memories would probably just fail…」
「So, with your current knowledge, what could you definitely make?」
「Getting salt from seawater or something?」
「Even street kids know that」
「Hmm～ Simple cooking, maybe?」
「Royals don’t cook. On the battlefield, fine, but if word got out you were doing it in the mansion, the nobles would spread all sorts of nasty rumors」
Ugh～ That sounds honestly annoying.
「Then I don’t have any knowledge I can confidently recommend」
「I see. So just the tube thing from earlier」
「Yeah」
Speaking tubes are basically elementary school science experiment level. Someone might figure it out eventually anyway.
My brother nodded thoughtfully… then for some reason started laughing again.
「Lucky you, Arg. Being useless」
「I’d like to question the meaning of those words」
「Exactly what I said. If you were too smart, it would’ve been a problem」
Huh? What does that mean?
He chuckled 「kukuku」 and pointed at the huge thing hanging on the wall.
Paper with drawings… probably a map?
「That’s the map of this continent. But exactly which areas are which countries… isn’t accurately known. The technology to make it was destroyed too. Know why?」
「No idea?」
「Countries fought and killed each other to get the technology」
「Exactly」
「You said it yourself, right? Any technology the other side has, you want it. In the end it turns into killing and war. That’s why summoning people from other worlds became taboo」
「……」
「Though the great powers probably still do it secretly. If it ever came to light, the remaining countries would form a coalition and crush them with full force」
Ehhh! That’s actually pretty shocking?
In anime and manga, isn’t the isekai cheat guy usually thanked by everyone?
「Um～? If the knowledge I shared was medical techniques?」
「That would be easier to excuse. Just insist 『It was a lucky accident』. But if you created a never-before-seen weapon, how would you explain it? Accident? Who would believe that?」
「……」
「This world once advanced greatly thanks to knowledge from other worlds. Then they fought and nearly destroyed each other over it. That’s why knowledge from another world is seen as 『something terrifying』. Just like Noie」
It struck me deep in the heart.
If Noie is visible terror, then knowledge from another world… that’s invisible terror.
And this world has a strong tendency to fear anything terrifying. But that makes sense because they almost wiped themselves out once in the past.
「I won’t go around showing off the knowledge I have」
「I see」
「But if… this knowledge could save someone, I might use it then」
「I see」
「…Would someone get angry if I said that?」
「Father might grumble a bit, but aniki and I won’t complain」
Then it’s probably okay.
As for the king… yeah. Is there anything I can help him with using my knowledge?
「Anyway. Your aniki has a job for you」
「Fue?」
「You’re the one who wanted work」
He rummaged through the pile of documents and pulled out a single sheet.
「Your usual duty will be wrestling with this mountain of paperwork under me. Position-wise, you’ll be an apprentice secretary attached to the royal guard captain」
「That sounds super low-level?」
「Don’t sweat it. It’s just a made-up title. Next is this」
「What’s this?」
He placed it on the center table between our sofas.
It was another sheet. The contents were…
「House name application?」
「Exactly. Decide the name for your branch family house」
「…Question」
「What?」
「I still don’t really get the point of becoming a branch family?」
「Ah」
He nodded lightly and grinned.
「If you want to be forced to take wives besides Noie, staying a prince is fine too?」
Okay, let me think about it. Why is that even an option?
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